RAILROAD TRACK, FRITZFASTENRATH [ed], & GRANT, W. [. (1981). Railroad track theory and practice. Frederick Ungar.
Citazione stile Chigago Style (17a edizione)RAILROAD TRACK, FRITZFASTENRATH [ed], e Walter [pnj] GRANT. Railroad Track Theory and Practice. New York: Frederick Ungar, 1981.
Citatione MLA (9a ed.)RAILROAD TRACK, et al. Railroad Track Theory and Practice. Frederick Ungar, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.